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whAt DoEs thE proFEssor mAinly DisCuss
A．rECEnt ADvAnCEs in AgriCulturAl tEChnology
B．how FArm proDuCts ArE suppliED to ConsumErs
C．mEthoDs thAt FArmErs usE to inCrEAsE proDuCtion
D．wAys oF trAnsporting FArm proDuCts to storEs